/*
** Copyright (C) 2010 Calin Radoni
**
** This file is part of CHScanner.
**
** CHScanner is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** CHScanner is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with CHScanner. If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once

#include "ScanMethod.h"

class ScanMethodArp : public ScanMethod
{
private:

protected:
	DWORD gwIP;
	DWORD dnsIP;
	DWORD localHostIP;
	DWORD localIPaddr;
	DWORD localIPbcastaddr;
	int FindMacForGw(void);
	int FindMacForDns(void);

	bool FillMacFromCache(MFullAddress*);

	virtual int InternalInit(void);
	virtual int InternalExecute(void);

	bool SendArpRequest(DWORD);

	virtual void ProcessArpReply(BYTE*, int);

	bool gwSearch;
	BYTE gwMAC[6];
	bool dnsSearch;
	BYTE dnsMAC[6];
	void ClearMacAddress(BYTE*);

public:
	ScanMethodArp(void);
	~ScanMethodArp(void);

	void FillDnsServerMAC(BYTE*);
};
